<template>
  <div class="app-container">
    <!--查询表单-->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="teacherQuery.name" placeholder="讲师名"/>
      </el-form-item>

      <el-form-item>
        <el-select v-model="teacherQuery.level" clearable placeholder="讲师头衔">
          <el-option :value="1" label="高级讲师"/>
          <el-option :value="2" label="首席讲师"/>
        </el-select>
      </el-form-item>

      <el-form-item label="添加时间">
        <el-date-picker
          v-model="teacherQuery.begin"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-form-item>
        <el-date-picker
          v-model="teacherQuery.end"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>

      <el-button type="primary" icon="el-icon-search" @click="getTeacherList()">查询</el-button>
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>

    <!-- 表格 -->
    <el-table
      :data="teacherList"
      border
      fit
      highlight-current-row>

      <el-table-column
        label="序号"
        width="70"
        align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="name" label="名称" width="80"/>

      <el-table-column label="头衔" width="80">
        <template slot-scope="scope">
          {{ scope.row.level===1?'高级讲师':'首席讲师' }}
        </template>
      </el-table-column>

      <el-table-column prop="intro" label="资历"/>

      <el-table-column prop="gmtCreate" label="添加时间" width="160"/>

      <el-table-column prop="sort" label="排序" width="60"/>

      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="'/teacher/edit/'+scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
          </router-link>
          <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页 -->
    <el-pagination
      :current-page="page"
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="getTeacherList"
    />
  </div>
</template>
<script>

  import teacher from '@/api/edu/teacher'

  export default {
//   data: {

//   },
    data() { // 定义当前页面使用的变量和初始值
      return {
        teacherList: [], // 查询之后接口返回集合
        total: 0,
        page: 1, // 当前页
        limit: 10, // 每页记录数
        teacherQuery: {} // 条件封装对象
      }
    },
    created() { // 在页面渲染之前执行，调用methods定义的方法
      this.getTeacherList()
    },
    methods: { // 创建具体的方法，调用teacher.js定义的方法
      resetData() {
        // 表单输入项数据清空
        this.teacherQuery = {}
        // 查询所有讲师数据
        this.getTeacherList()
      },
      // 讲师列表的方法
      getTeacherList(page = 1) {
        this.page = page
        teacher.getTeacherListPage(this.page, this.limit, this.teacherQuery).then(response => {
          // console.log(response.data)
          this.teacherList = response.data.rows
          this.total = response.data.totalPage
          // console.log(this.teacherList)
          // console.log(this.total)
        }).catch(error => { // 请求失败
          console.log(error)
        })
      },
      // 删除讲师
      removeDataById(id) {
        this.$confirm('此操作将永久删除讲师记录, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          teacher.deleteTeacherId(id).then(response => {
            // 提示消息
            this.$message({
              type: 'success',
              message: '删除成功!'
            })
            // 回到列表页面
            this.getTeacherList()
          })
        }).catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          })
        })
      }
    }
  }
</script>
